Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701526 | Photometry apparatus | — | 1997-12-23 |
| 5687407 | Exposure calculation device for camera | Tadao Takagi | 1997-11-11 |
| 5642162 | Charge transfer device having a signal processing circuit for correcting output voltage | Yasuhito Maki, Maki Sato, Tadakuni Narabu, Tadao Takagi, Tetsuro Goto | 1997-06-24 |
| 5640235 | Photometric device and method | — | 1997-06-17 |
| 5627620 | Photometry device and method | — | 1997-05-06 |
| 5604584 | Photometry device with correction for temperature change | — | 1997-02-18 |